Analysis of electrical behaviour of PV arrays covered with nonuniform snow

S.  Hosseini; S. Taheri; Edris Pouresmaeil; H. Taheri

doi:10.1049/el.2019.3221

Analysis of electrical behaviour of PV arrays covered with nonuniform snow

S. Hosseini, S. Taheri, Edris Pouresmaeil, H. Taheri

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Abstract

Snowfall during cold months impacts the performance of photovoltaic (PV) installations. In real field operations, different ambient conditions often cause non-uniform snow accretion on PV panels. This can have a considerable effect on PV power production depending on array configuration, the pattern of snow coverage, and bypass diodes included in a PV system. The electrical behaviour of snow-covered PV cells is experimentally characterised. Then, the true impact of non-uniform snow accretion on PV system performance is investigated. Effect of employing bypass diodes on a PV string power generation is also verified. Different PV array layouts are studied to improve the PV harvest efficiency in cold climate regions. This research may be regarded as a practical tool for the design and selection of PV modules subjected to snowfall.

Original language	English
Pages (from-to)	192-194
Number of pages	3
Journal	Electronics Letters
Volume	56
Issue number	4
DOIs	https://doi.org/10.1049/el.2019.3221
Publication status	Published - 20 Feb 2020
MoE publication type	A1 Journal article-refereed

Keywords

Solar cells
Photovoltaic power systems
Snow

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1049/el.2019.3221

ELEC_Hosseini_etal_Analysis-of -Electrical_EleLet_2020_acceptedauthormanuscriptAccepted author manuscript, 307 KB

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AU - Pouresmaeil, Edris

AU - Taheri, H.

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AB - Snowfall during cold months impacts the performance of photovoltaic (PV) installations. In real field operations, different ambient conditions often cause non-uniform snow accretion on PV panels. This can have a considerable effect on PV power production depending on array configuration, the pattern of snow coverage, and bypass diodes included in a PV system. The electrical behaviour of snow-covered PV cells is experimentally characterised. Then, the true impact of non-uniform snow accretion on PV system performance is investigated. Effect of employing bypass diodes on a PV string power generation is also verified. Different PV array layouts are studied to improve the PV harvest efficiency in cold climate regions. This research may be regarded as a practical tool for the design and selection of PV modules subjected to snowfall.

KW - Solar cells

KW - Photovoltaic power systems

KW - Snow

U2 - 10.1049/el.2019.3221

DO - 10.1049/el.2019.3221

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JO - Electronics Letters

JF - Electronics Letters

SN - 0013-5194

IS - 4

ER -

Analysis of electrical behaviour of PV arrays covered with nonuniform snow

Abstract

Keywords

UN SDGs

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